CN206887041U - Pulverized coal pyrolysis gasification integrated reactor - Google Patents
Pulverized coal pyrolysis gasification integrated reactor Download PDFInfo
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- CN206887041U CN206887041U CN201720597065.8U CN201720597065U CN206887041U CN 206887041 U CN206887041 U CN 206887041U CN 201720597065 U CN201720597065 U CN 201720597065U CN 206887041 U CN206887041 U CN 206887041U
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Abstract
The utility model discloses pulverized coal pyrolysis gasification integrated reactor, including：It is pyrolyzed body of heater, pyrolysis chamber is defined in it, multiple radiant tubes are provided with pyrolysis chamber, be pyrolyzed body of heater top with fine coal entrance, be pyrolyzed body of heater bottom with semicoke outlet, there is syngas outlet on pyrolysis body of heater, being pyrolyzed the side wall of body of heater has the fuel inlet and exhanst gas outlet of connection radiant tube；Gasify body of heater, and gasification chamber is defined in it, has gasification agent inlet on the body of heater that gasifies, and the top for the body of heater that gasifies has semicoke entrance, and the bottom for the body of heater that gasifies has lime-ash outlet, and gasification furnace body is positioned at the lower section of pyrolysis body of heater, and semicoke entrance is exported with semicoke and is connected.The semicoke that can be obtained pulverized coal pyrolysis using pulverized coal pyrolysis gasification integrated reactor is converted into synthesis gas, and makes full use of the sensible heat of synthesis gas, while solves the problems, such as that semicoke is difficult by.
Description
Technical field
Derived energy chemical field is the utility model is related to, specifically, the utility model is related to pulverized coal pyrolysis gasification integration
Reactor.
Background technology
Coal is one of conventional resource that proved reserves are the abundantest in the world, and China is as coal life maximum in the world
Production and country of consumption, energy resource structure feature are rich coal, oil-poor, few gas.In coal resources in China structure, the higher low order of fugitive constituent
Coal occupies larger ratio again, and it is about 130,000,000,000 tons that wherein lignite, which verifies reserves, accounts for the whole nation and verifies reserves
12.69% or so, the low order such as jet coal, non caking coal and weakly caking coal is grade metamorphic bituminous, accounts for the 42.46% of coal reserves.Low-order coal
It is the product at incoalation initial stage, because having, the high and low ash of moisture, low-sulfur, lower calorific value, volatile matter are high, density is small, bad adhesion
With activity it is strong the features such as so that its comprehensive utilization is largely limited.The main Land use systems of existing low-order coal have：Directly
Connect combustion power generation, pyrolysis upgrading, direct liquefaction, gasification and Valuable Chemicals etc..Wherein, direct combustion power generation is that it is the most normal
One of Land use systems seen, according to incompletely statistics, the low-order coal that China there are about 90% are directly used in station boiler and various industry
Boiler.And lignite is low as the direct efficiency of combustion of power fuel, greenhouse gas emissions are high, seriously polluted, and waste coal
In the hydrocarbon rich resource that contains.
Widely used simultaneously as modernization coal mining is polytechnic so that the ratio of lump coal declines, and the rise of fine coal yield (reaches
More than 60%).Inflammable and explosive during accumulation because of the easy airborne dust of fine coal, comprehensive utilization difficulty is big, causes its unmarketable and largely accumulates
Pressure.The pyrolysis of coal is one of important channel that low-order coal cleaning efficiently utilizes, and is coal under isolation air or inert atmosphere conditions
During continuous heating to higher temperature, the change of a series of physical of generation and chemical reaction, including in coal organic matter cracking, cracking
The volatilization of light components in product, cracks the polycondensation of residue, decomposition of the volatile matter product during effusion, chemical combination, polycondensation
The further decomposition of product, then the process such as polycondensation.It will pass through in coal gasification, liquefaction, coking and combustion process or heat occurs
Solution preocess.
However, the means of existing processing fine coal still have much room for improvement.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose pulverized coal pyrolysis gasification integrated reactor with a new purpose.Using pulverized coal pyrolysis gasification integrated reacting
The semicoke that device can obtain pulverized coal pyrolysis is converted into synthesis gas, and makes full use of the sensible heat of synthesis gas, while solves half
The problem of Jiao is difficult by.
In one side of the present utility model, the utility model proposes a kind of pulverized coal pyrolysis gasification integrated reactor.
According to embodiment of the present utility model, the coal pyrolytic gasified integrated reactor includes：Body of heater is pyrolyzed, is limited in the pyrolysis oven body
Surely there is pyrolysis chamber, multiple radiant tubes are provided with the pyrolysis chamber, the top of the pyrolysis body of heater has fine coal entrance, institute
Stating the bottom of pyrolysis body of heater has semicoke outlet, has syngas outlet, the side wall of the pyrolysis body of heater on the pyrolysis body of heater
With the fuel inlet and exhanst gas outlet for connecting the radiant tube；Gasify body of heater, and gasification chamber is defined in the gasification furnace body,
There is gasification agent inlet, the top of the gasification body of heater has semicoke entrance, the bottom of the gasification body of heater on the gasification body of heater
End has lime-ash outlet, and the gasification furnace body is positioned at the lower section of the pyrolysis body of heater, and the semicoke entrance goes out with the semicoke
Mouth is connected.
According to the pulverized coal pyrolysis of the utility model embodiment gasify integrated reactor by will fine coal be pyrolyzed supply to
It is pyrolyzed in the pyrolysis chamber of body of heater and is pyrolyzed, obtain semicoke, semicoke is fallen under gravity into the gasification chamber of gasification body of heater
Interior, and gasification reaction occurs in the presence of gasifying agent, obtain synthesis gas；And then synthesis gas can directly return to pyrolysis chamber
In, heat is provided for the pyrolysis of fine coal using the sensible heat of synthesis gas, is discharged afterwards by the syngas outlet on pyrolysis body of heater, is collected
Storage.Thus, conjunction is converted into by the semicoke for obtaining pulverized coal pyrolysis using pulverized coal pyrolysis gasification integrated reactor
Into gas, and make full use of the sensible heat of synthesis gas to carry out pulverized coal pyrolysis, so as to significantly improve heat utilization efficiency, and obtain synthesis gas production
Product, solve the problems, such as that semicoke is difficult by.
Optional, the width of the pyrolysis body of heater is 2~6m, and the height of the pyrolysis body of heater is 9~60m；The gasification
The width of body of heater is 2~6m, and the height of the gasification body of heater is 20~55m.
Optional, longitudinal center's overlapping of axles of the pyrolysis body of heater and the gasification body of heater.
Optional, the multiple radiant tube is in multi-tier arrangement on the longitudinal direction in the pyrolysis chamber, and adjacent two
Interlamellar spacing is 230~770mm between layer, and the spacing of two neighboring radiant tube is 220~730mm in every layer.
Optional, the gasification agent inlet is arranged on the bottom of gasification body of heater, and the syngas outlet is arranged on the heat
Solve the top of body of heater.
Optional, the pulverized coal pyrolysis gasification integrated reactor further comprises：Loading hopper；And feed auger,
The feed auger is connected with the loading hopper and the fine coal entrance respectively.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is according to the pulverized coal pyrolysis of the utility model one embodiment gasification integrated reactor structural representation；
Fig. 2 is according to the pulverized coal pyrolysis of the utility model further embodiment gasification integrated reactor structural representation；
Fig. 3 is the method using the pulverized coal pyrolysis gasification integrated reactor processing fine coal of the utility model one embodiment
Schematic flow sheet.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In description of the present utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.
In the utility model, unless otherwise clearly defined and limited, term " connected ", " connection " etc. should do broad sense reason
Solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can be mechanical connection or electricity
Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or two
The interaction relationship of element, limited unless otherwise clear and definite.For the ordinary skill in the art, can be according to tool
Body situation understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In one side of the present utility model, the utility model proposes a kind of pulverized coal pyrolysis gasification integrated reactor.
According to embodiment of the present utility model, with reference to figure 1~2, the coal pyrolytic gasified integrated reactor includes：It is pyrolyzed the He of body of heater 100
Gasify body of heater 200.Wherein, it is pyrolyzed in body of heater 100 and defines pyrolysis chamber 110, is pyrolyzed in chamber 110 and is provided with multiple radiant tubes
120, it is pyrolyzed bottom of the top of body of heater 100 with fine coal entrance 101, pyrolysis body of heater 200 and exports 102 with semicoke, pyrolysis oven
There is syngas outlet 103, the side wall of pyrolysis body of heater 100 has the fuel inlet 104 and cigarette of connection radiant tube 120 on body 100
Gas outlet 105；Gasification chamber 210 is defined in gasification body of heater 200, there is gasification agent inlet 201 on the body of heater 200 that gasifies, gasify
The top of body of heater 200 has semicoke entrance 202, and there is lime-ash to export 203 for the bottom of gasification body of heater 200, and gasification body of heater 200 is located at
The lower section of body of heater 100 is pyrolyzed, and semicoke entrance 202 is connected with semicoke outlet 102.
Integrated reactor progress is gasified in detail according to the pulverized coal pyrolysis of the utility model embodiment below with reference to Fig. 1~2 pair
Thin description：
According to embodiment of the present utility model, it is pyrolyzed in body of heater 100 and defines pyrolysis chamber 110, be pyrolyzed in chamber 110 and set
Be equipped with multiple radiant tubes 120, be pyrolyzed the top of body of heater 100 with fine coal entrance 101, be pyrolyzed the bottom of body of heater 200 with semicoke
Outlet 102, being pyrolyzed on body of heater 100 has syngas outlet 103, and the side wall of pyrolysis body of heater 100 has the combustion of connection radiant tube 120
Expect entrance 104 and exhanst gas outlet 105, pyrolysis body of heater 100 is suitable to fine coal to be pyrolyzed being pyrolyzed in chamber 110 is pyrolyzed, with
Just semicoke is obtained.
According to embodiment of the present utility model, the width for being pyrolyzed body of heater can be 2~6m, highly can be 9~60m.
According to embodiment of the present utility model, pyrolysis can both be provided by the high-temperature synthesis gas that follow-up char Gasification obtains
Heat, heat can also be provided by radiant tube 120.According to specific embodiment of the utility model, multiple radiant tubes 120 can be with
It is in multi-tier arrangement on longitudinal direction in pyrolysis chamber 110, and interlamellar spacing can be 230~770mm between adjacent two layers, often
The spacing of two neighboring radiant tube can be 220~730mm in layer.Thus, it is possible to further improve heat in pyrolysis chamber 110
The uniformity of distribution.
According to embodiment of the present utility model, the particle diameter of fine coal is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the average grain diameter of fine coal can be no more than 10mm,
Thus, it is possible to further improve pyrolysis efficiency.
According to embodiment of the present utility model, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the temperature of pyrolysis can be 550~900 DEG C, by
This, can further improve pyrolysis efficiency.
According to the specific embodiment of the present invention, above-mentioned radiant tube can be the round tube of the specification of DN200~390, by
This, can further improve the uniformity of heat distribution in pyrolysis chamber.
According to embodiment of the present utility model, gasification chamber 210 is defined in the body of heater 200 that gasifies, is had on the body of heater 200 that gasifies
There is gasification agent inlet 201, the top of gasification body of heater 200 has semicoke entrance 202, and there is lime-ash to go out for the bottom of gasification body of heater 200
Mouth 203, gasification body of heater 200 is positioned at the lower section of pyrolysis body of heater 100, and semicoke entrance 202 is connected with semicoke outlet 102, gasification furnace
Body 200 is suitable to semicoke carrying out gasification reaction in gasification chamber 210, to obtain synthesis gas.Specifically, it is pyrolyzed chamber 110
The semicoke that interior pulverized coal pyrolysis obtains can be fallen under gravity into the gasification chamber 210 of gasification body of heater 200, and char Gasification
Obtained high-temperature synthesis gas can directly return in pyrolysis chamber 110, and provide heat using its sensible heat for pulverized coal pyrolysis, so as to
The energy consumption of radiant tube can be significantly reduced, and reduces the discharge of dusty gas, follow-up synthesis gas can be from pyrolysis body of heater 100
Syngas outlet 103 is discharged, and is collected storage.
According to embodiment of the present utility model, the width of gasification body of heater 200 can be 2~6m, the height for the body of heater 200 that gasifies
Can be 20~55m.
According to specific embodiment of the utility model, longitudinal center's overlapping of axles of pyrolysis body of heater 100 and the body of heater 200 that gasifies.
According to a specific embodiment of the present utility model, semicoke entrance 202 can be located at semicoke outlet 102 just under
Side, thus, it is possible to which the semicoke for effectively further making to obtain in pyrolysis chamber 110 is fallen directly into gasification chamber 210.
According to specific embodiment of the utility model, gasification agent inlet 201 is arranged on the bottom of gasification body of heater 200, synthesis
Gas outlet 103 is arranged on the top of pyrolysis body of heater 100, thus, it is possible to further improve gasification chamber 210 and pyrolysis chamber 110
In heat and mass efficiency, improve heat utilization efficiency.It should be noted that term " bottom " refers to the lower section in the middle part of gasification body of heater.
According to specific embodiment of the utility model, the temperature of gasification reaction can be 1100~1400 DEG C.Thus, it is possible to
Further improve the efficiency of gasification reaction.
According to specific embodiment of the utility model, the temperature of synthesis gas is 500~900 DEG C.Thus, it is possible to effectively utilize
The sensible heat of synthesis gas fully provides heat for pyrolysis, so as to further reduce the energy consumption of technique.
According to a specific embodiment of the present utility model, gasifying agent can include selection oxygen, air, carbon dioxide and
One or more in vapor, thus, it is possible to further improve the yield of synthesis gas.
With reference to figure 2, above-mentioned pulverized coal pyrolysis gasification integrated reactor can further include：Loading hopper 300 and enter
Expect spiral 400.
According to embodiment of the present utility model, feed auger 400 is connected with loading hopper 300 and fine coal entrance 101 respectively,
Thus, it is possible to which fine coal to be pyrolyzed is added into loading hopper 300, and pass through the supply of feed auger 400 to pyrolysis body of heater 100
It is interior, so as to further improve production efficiency.
Thus, integrated reactor is gasified by the way that fine coal to be pyrolyzed is supplied according to the pulverized coal pyrolysis of the utility model embodiment
To being pyrolyzed in the pyrolysis chamber to pyrolysis body of heater, semicoke is obtained, semicoke is fallen under gravity into the gas of gasification body of heater
Change in chamber, and gasification reaction occurs in the presence of gasifying agent, obtain synthesis gas；And then synthesis gas can directly return to pyrolysis
In chamber, heat is provided for the pyrolysis of fine coal using the sensible heat of synthesis gas, so as to significantly reduce the energy consumption of radiant tube and dirt
Gas discharge is contaminated, is discharged afterwards by the syngas outlet on pyrolysis body of heater, is collected storage.Thus, using the pulverized coal pyrolysis
Gasification integrated reactor is converted into synthesis gas by the semicoke for obtaining pulverized coal pyrolysis, and makes full use of the aobvious of synthesis gas
Heat carries out pulverized coal pyrolysis, so as to significantly improve heat utilization efficiency, and obtains synthesis gas product, and what solution semicoke was difficult by asks
Topic.
In order to facilitate understanding, integration of gasifying below with reference to Fig. 3 to the pulverized coal pyrolysis using the utility model embodiment is anti-
The method of device processing fine coal is answered to be described in detail.According to embodiment of the present utility model, this method includes：
S100：Pyrolysis
In the step, fine coal is delivered in pyrolysis oven body, and is pyrolyzed in pyrolysis chamber, to obtain semicoke.
According to embodiment of the present utility model, the width for being pyrolyzed body of heater can be 2~6m, highly can be 9~60m.
According to embodiment of the present utility model, pyrolysis can both be provided by the high-temperature synthesis gas that follow-up char Gasification obtains
Heat, heat can also be provided by radiant tube.According to specific embodiment of the utility model, multiple radiant tubes can be pyrolyzed
It is in multi-tier arrangement on longitudinal direction in chamber, and interlamellar spacing can be 230~770mm between adjacent two layers, it is adjacent in every layer
The spacing of two radiant tubes can be 220~730mm.Thus, it is possible to further improve pyrolysis chamber in heat distribution it is uniform
Degree.
According to embodiment of the present utility model, the particle diameter of fine coal is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the average grain diameter of fine coal can be no more than 10mm,
Thus, it is possible to further improve pyrolysis efficiency.
According to embodiment of the present utility model, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the temperature of pyrolysis can be 550~900 DEG C, by
This, can further improve pyrolysis efficiency.
According to the specific embodiment of the present invention, above-mentioned radiant tube can be the round tube of the specification of DN200~390, by
This, can further improve the uniformity of heat distribution in pyrolysis chamber.
S200：Gasification
In the step, semicoke is set to fall under gravity into gasification body of heater, and in gasification chamber in the presence of gasifying agent
Generation gasification reaction, to obtain synthesis gas.
According to embodiment of the present utility model, the width for the body of heater that gasifies can be 2~6m, and the height for the body of heater that gasifies can be
20~55m.
According to specific embodiment of the utility model, longitudinal center's overlapping of axles of pyrolysis body of heater and the body of heater that gasifies.
According to a specific embodiment of the present utility model, semicoke entrance can be located at the underface of semicoke outlet, thus,
The semicoke that effectively further can make to obtain in pyrolysis chamber is fallen directly into gasification chamber.
According to specific embodiment of the utility model, gasification agent inlet is arranged on the bottom of gasification body of heater, syngas outlet
The top of pyrolysis body of heater is arranged on, thus, it is possible to further improve gasification chamber and the heat and mass efficiency being pyrolyzed in chamber, is carried
High heat utilization efficiency.It should be noted that term " bottom " refers to the lower section in the middle part of gasification body of heater.
According to specific embodiment of the utility model, the temperature of gasification reaction can be 1100~1400 DEG C.Thus, it is possible to
Further improve the efficiency of gasification reaction.
According to specific embodiment of the utility model, the temperature of synthesis gas is 500~900 DEG C.Thus, it is possible to effectively utilize
The sensible heat of synthesis gas fully provides heat for pyrolysis, so as to further reduce the energy consumption of technique.
According to a specific embodiment of the present utility model, gasifying agent can include selection oxygen, air, carbon dioxide and
One or more in vapor, thus, it is possible to further improve the yield of synthesis gas.
S300：Collect synthesis gas
According to embodiment of the present utility model, heat is provided for pyrolysis by making synthesis gas enter pyrolysis chamber by gasification chamber
Discharged after amount, the energy consumption of radiant tube can be significantly reduced, and reduce the discharge of dusty gas.
Thus, according to the method for the processing fine coal of the utility model embodiment by the way that fine coal to be pyrolyzed is supplied to pyrolysis oven
It is pyrolyzed in the pyrolysis chamber of body, obtains semicoke, semicoke is fallen under gravity into the gasification chamber of gasification body of heater, and
Gasification reaction occurs in the presence of gasifying agent, obtains synthesis gas；And then synthesis gas can be returned directly in pyrolysis chamber, utilized
The sensible heat of synthesis gas provides heat for the pyrolysis of fine coal, so as to significantly reduce the energy consumption of radiant tube and dusty gas discharge,
Discharged afterwards by the syngas outlet on pyrolysis body of heater, be collected storage.Thus, this method is by the way that pulverized coal pyrolysis obtained
Semicoke is converted into synthesis gas, and makes full use of the sensible heat of synthesis gas to carry out pulverized coal pyrolysis, so as to significantly improve heat utilization
Rate, and synthesis gas product is obtained, solve the problems, such as that semicoke is difficult by.
Below with reference to specific embodiment, the utility model is described, it is necessary to which explanation is, these embodiments are only
Descriptive, without limiting the utility model in any way.
Embodiment
Inner Mongol lignite of the average grain diameter less than 10mm will be crushed to and be sent into pyrolysis chamber through feed auger in loading hopper,
It is pyrolyzed chamber to heat by the synthesis gas from gasification chamber, temperature control is at 900 DEG C, shortage of heat by pyrolysis chamber
Heat accumulation type radiant tube additional heat, while tube wall temperature is controlled by gas control valve, material stops from top to bottom in the reactor
Stay 0.1 second~10 minutes, and be heated to 900 DEG C, complete pyrolytic process, semicoke caused by pyrolysis falls into gasification chamber through semicoke outlet
In room, gasifying agent is delivered in gasification chamber by gasification agent inlet, and gasifying agent can be oxygen, air, carbon dioxide, water steaming
Gas etc., the temperature of gasification reaction is 1200 DEG C, and semicoke gasifies in the presence of gasifying agent generates synthesis gas, and synthesis gas returns to pyrolysis
For chamber as heating source, high-temperature ash caused by gasification exports discharge gasification chamber by lime-ash.Wherein, the work of pending lignite
Industry analysis is as shown in table 1, and the composition of synthesis gas is as shown in table 2.
The pending lignite Industrial Analysis/wt% of table 1
| Mad | Vad | Aad | Fcad |
| 13.29 | 32.21 | 15.82 | 38.68 |
The synthesis gas composition of table 2/v%
| CH4 | H2 | CO | CO2 | Other |
| 7.8 | 42.1 | 39.5 | 10.02 | 5.98 |
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
- The integrated reactor 1. a kind of pulverized coal pyrolysis gasifies, it is characterised in that including：Body of heater is pyrolyzed, pyrolysis chamber is defined in the pyrolysis oven body, multiple radiant tubes are provided with the pyrolysis chamber, it is described Be pyrolyzed bottom of the top of body of heater with fine coal entrance, the pyrolysis body of heater has with semicoke outlet, described be pyrolyzed on body of heater Syngas outlet, the side wall of the pyrolysis body of heater have the fuel inlet and exhanst gas outlet for connecting the radiant tube；Gasify body of heater, and gasification chamber is defined in the gasification furnace body, has gasification agent inlet, the gas on the gasification body of heater Changing the top of body of heater has semicoke entrance, and the bottom of the gasification body of heater has lime-ash outlet, and the gasification furnace body is positioned at described The lower section of body of heater is pyrolyzed, and the semicoke entrance is connected with semicoke outlet.
- The integrated reactor 2. pulverized coal pyrolysis according to claim 1 gasifies, it is characterised in that the width of the pyrolysis body of heater Spend for 2~6m, the height of the pyrolysis body of heater is 9~60m；The width of the gasification body of heater is 2~6m, the gasification body of heater Highly it is 20~55m.
- The integrated reactor 3. pulverized coal pyrolysis according to claim 1 gasifies, it is characterised in that the pyrolysis body of heater and institute State longitudinal center's overlapping of axles of gasification body of heater.
- The integrated reactor 4. pulverized coal pyrolysis according to claim 1 gasifies, it is characterised in that the multiple radiant tube exists It is in multi-tier arrangement on longitudinal direction in the pyrolysis chamber, and interlamellar spacing is 230~770mm between adjacent two layers, in every layer The spacing of two neighboring radiant tube is 220~730mm.
- The integrated reactor 5. pulverized coal pyrolysis according to claim 1 gasifies, it is characterised in that the gasification agent inlet is set Put in the bottom of gasification body of heater, the syngas outlet is arranged on the top of the pyrolysis body of heater.
- The integrated reactor 6. pulverized coal pyrolysis according to claim 1 gasifies, it is characterised in that further comprise：Loading hopper；AndFeed auger, the feed auger are connected with the loading hopper and the fine coal entrance respectively.
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| CN201720597065.8U CN206887041U (en) | 2017-05-25 | 2017-05-25 | Pulverized coal pyrolysis gasification integrated reactor |
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| CN201720597065.8U CN206887041U (en) | 2017-05-25 | 2017-05-25 | Pulverized coal pyrolysis gasification integrated reactor |
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2017
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